package com.example.utils;

import java.util.Date;

public class StringUtil {
public static void main(String[] args) {
//	String fullFileName=item.getName();
	String name="sdcard/ji/http/jpg.txt";
	int idx=name.lastIndexOf(".");
	String subfix=name.substring(idx);
   String fileName=new Date().getTime()+subfix;	
   System.out.println(fileName);
}
}
